package homework0303;

import java.util.ArrayList;
import java.util.List;

/*
获取子集
 */
public class SubListDemo {
    public static void main(String[] args) {
        List<Integer> list=new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            list.add(i*10);
        }
        System.out.println(list);
        List<Integer> subList=list.subList(2,6);
        System.out.println(subList);

        for (int i = 0; i < subList.size(); i++) {
            subList.set(i,subList.get(i)*10);
        }
        System.out.println(subList);
        System.out.println(list);
        list.set(2,1000);
        System.out.println(list);

        list.remove(0);
        System.out.println(list);

        System.out.println(subList);//原集合长度改变，发生运行异常







    }
}
